Finding the Fourth Proportional to 2,020.21, 3,029.34 and 1,198.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.21 : 3,029.34 = 1,198.28 : x
2. Step 2: Convert to fraction form
   2,020.21/3,029.34 = 1,198.28/x
3. Step 3: Cross multiply
   2,020.21x = 3,029.34 × 1,198.28
4. Step 4: Simplify right side
   2,020.21x = 3,629,997.54
5. Step 5: Solve for x
   x = 3,629,997.54/2,020.21
6. Step 6: Final answer
   x = 1,796.84